Every dwelling and multifamily dwelling shall have heating facilities, and the owner of the heating facilities shall be required to see that they are properly installed, safely maintained and in good working condition, and that they are capable of safely and adequately heating all habitable rooms, bathrooms and toilet rooms located therein, to a temperature of at least an average of seventy (70) degrees Fahrenheit with an outside temperature of ten degrees below zero. The owner shall maintain a minimum average room temperature of seventy (70) degrees Fahrenheit in all habitable rooms, including bathrooms and toilet rooms when rented, at all times on the basis of ten degrees below zero outside. The temperatures shall be existent at a level of three feet above the floor level and three or more feet from an exterior wall.

    Operating of Heating Facilities and Incinerators. Every heating or water heating facility and incinerator shall be installed and shall operate in accordance with the requirements of the building code or the air pollution control ordinances of the city or the state of Illinois. (Prior code § 17-1-24)